import sys
from math import gcd

def main():
    n = int(sys.stdin.readline())
    a = list(map(int, sys.stdin.readline().split()))
    total = 0
    prev_gcd = {}
    for num in a:
        curr_gcd = {}
        # Process previous GCDs
        for g, cnt in prev_gcd.items():
            new_g = gcd(g, num)
            if new_g in curr_gcd:
                curr_gcd[new_g] += cnt
            else:
                curr_gcd[new_g] = cnt
        # Add the current number as a single-element subarray
        if num in curr_gcd:
            curr_gcd[num] += 1
        else:
            curr_gcd[num] = 1
        # Update the total with the count of GCD 1
        total += curr_gcd.get(1, 0)
        # Update prev_gcd for next iteration
        prev_gcd = curr_gcd
    print(total)

if __name__ == "__main__":
    main()